286398080

素因数分解:

$2^7\times 5^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 686719080

約数和(自身を除く): 400321000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 661, 677, 1322, 1354, 2644, 2708, 3305, 3385, 5288, 5416, 6610, 6770, 10576, 10832, 13220, 13540, 21152, 21664, 26440, 27080, 42304, 43328, 52880, 54160, 84608, 86656, 105760, 108320, 211520, 216640, 423040, 433280, 447497, 894994, 1789988, 2237485, 3579976, 4474970, 7159952, 8949940, 14319904, 17899880, 28639808, 35799760, 57279616, 71599520, 143199040, 286398080]

約数ペア:

[(1, 286398080), (2, 143199040), (4, 71599520), (5, 57279616), (8, 35799760), (10, 28639808), (16, 17899880), (20, 14319904), (32, 8949940), (40, 7159952), (64, 4474970), (80, 3579976), (128, 2237485), (160, 1789988), (320, 894994), (640, 447497), (661, 433280), (677, 423040), (1322, 216640), (1354, 211520), (2644, 108320), (2708, 105760), (3305, 86656), (3385, 84608), (5288, 54160), (5416, 52880), (6610, 43328), (6770, 42304), (10576, 27080), (10832, 26440), (13220, 21664), (13540, 21152)]